Home / 14,548.40-20,076.88-8,175.04

Finding the Fourth Proportional to 14,548.40, 20,076.88 and 8,175.04

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Solution

The fourth proportional to 14,548.40, 20,076.88 and 8,175.04 is: 11,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.40 : 20,076.88 = 8,175.04 : x
  2. Step 2: Convert to fraction form
    14,548.40/20,076.88 = 8,175.04/x
  3. Step 3: Cross multiply
    14,548.40x = 20,076.88 × 8,175.04
  4. Step 4: Simplify right side
    14,548.40x = 164,129,297.08
  5. Step 5: Solve for x
    x = 164,129,297.08/14,548.40
  6. Step 6: Final answer
    x = 11,281.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.